If they are of your age, and you guys are teenagers, you can drop the ending '-요'. I think the first thing to ask is their age. When she/he is older than you even by 1 year, try calling them 'eon(un)-ni 언니' for girls, 'o-ppa 오빠' for boys. I think this is a good way to start to fit in with Koreans. Do you like it here? 여기 마음에 들어(요)? What grade are you in? 몇 학년(이예요)? (Know that the school system in Korea is different. 6-3-3 years for elementary-middle-high school before college.. just in case) Can you teach me about this? Would you let me know about this? 이것 좀 가르쳐 줄래(요)? Why don't you join for lunch? Will you have lunch together? 같이 점심 먹을래(요)? What songs do you like? 무슨 노래 좋아해(요)? Do you like to play computer games? 게임하는 것 좋아해(요)? Will you let me know how to play it? 어떻게 하는지 가르쳐 줄래(요)?

that would be a great time to each to other! 1. what is your favorit place in here? 여기(캐나다)에서 좋아하는 장소가 어디에요? 2. what would like to go? 어디 가고 싶어요 ? 3. what is your major? 전공이 뭐에요? 4. how about studying english and korean together? 같이 영어, 한국어 공부하는 것 어때요? and so on.. :)

do you have any question? 뭐 궁금한거 있어요? what do you think about canada? 캐나다에 대해 어떻게 생각해요? can i get your email? or contact no? 나 이메일 주소 알려줄수 있어요?